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  #1  
Old 03-04-2009, 07:46 PM
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Default Double checking my tuning

Just double checking that this will be good for my 18" BTL:
7 cubes after disp. tune it for 47.44 hz. (4) 4" ports 5.5" long. (port displacement of 302 cu in or 0.175 Cu Ft.)[this assumes each port to have.75 inches in the wood.]

Then i was thinking interchangeable ports for my daily it would be:
still 7 cubes but tuned to 38Hz and it would have 3 ports that are 4" diameter by 7" long.

any input appreciated


EDIT: or maybe tune it to 32Hz for daily, and use 4"x11" ports
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Old 03-05-2009, 01:07 AM
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I would go for 32-33Hz...mine's at 33Hz and it's great ...and *gasp* I have an interchangeable port wall as well I'd go it, it just opens up plenty of possibilities
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'Horn'-wall: 12.75 cubes net, ~25Hz tuning, 200 sq inches of port area (lowz..?)

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Old 03-05-2009, 08:27 AM
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Quote:
Originally Posted by Pioneer~Saturn View Post
I would go for 32-33Hz...mine's at 33Hz and it's great ...and *gasp* I have an interchangeable port wall as well I'd go it, it just opens up plenty of possibilities
hmmmm ok sounds good

But using the ports i listed are there any problems i would run into (too much/ too little port area, or something??
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Old 03-05-2009, 08:30 AM
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If theyre aero ports thatd be just fine...maybe a pair of 6" aero ports if I had the choice.
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Old 03-05-2009, 08:32 AM
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Quote:
Originally Posted by Pioneer~Saturn View Post
If theyre aero ports thatd be just fine...maybe a pair of 6" aero ports if I had the choice.
i am trying to stick with 4" ports, becasue i already bought this HUGE 4" PVC
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SHOK wire
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